Balancing Chemical Equations

A chemical equation is the representation of the chemical reactions. The LHS consists of the reactants and the RHS consists of the products. Balancing chemical equation is the process of equalising the number of each element in the reactants to the products. Enter the equation directly or by clicking the formula of elements, to balance the equation.

Balanc of Chemical Formula

[Chemical Equations Examples: H2 + O2 = H2O
Na2 + Cl2 = NaCl]

Example of Chemical Formula Balancer

Consider an equation N2 + H2 = NH3

Step 1 :

Compare the elements in LHS and RHS

Element LHS RHS
N 2 1
H 2 3

Step 2 :

To balance, add 2 to the RHS,
Equation : N2 + H2 = 2NH3

Element LHS RHS
N 2 2
H 2 6

Step 3 :

Add 3 to H in LHS,
Equation : N2 + 3H2 = 2NH3

Element LHS RHS
N 2 2
H 6 6

Hence it is balanced.

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